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How Does a Humidifier Work? — HVAC Repair & Troubleshooting

Humidifier not getting enough water or overflowing? This video provides information on how a humidifier works and offers troubleshooting tips to assist you in diagnosing and repair.

Here is a list of the most commonly replaced parts associated with each humidifier symptom:

Humidifier water supply problems: float, water inlet valve, humidistat
Humidifier drum won’t turn: drive motor, wheel and belt kit, drive belt
Humidifier fan doesn’t work: blower motor, humidistat
Humidifier overflowing: float, water inlet valve
Humidifier doesn’t drain properly: water evaporator pad, water line, water panel distribution tray

All of the information provided in this humidifier troubleshooting video is applicable to the following brands: Aprilaire, Autoflo, Bemis, Emerson, General, Kenmore, Lobb, Skuttle

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